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Old 06-21-2013, 04:41 AM   #1
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Preventing rust?

I was reading some thread that mentioned that Jeeps rust pretty easily underneath?

How do you prevent rust? Do I just spray it with something or is it a more surgical targeted strategy?

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Old 06-21-2013, 04:44 AM   #2
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Old 06-21-2013, 05:31 AM   #3
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2 cans of rustoleum every 6 months keeps the underside black
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Old 06-21-2013, 05:51 AM   #4
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A good cleaning underneath after wheeling helps.
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Old 06-21-2013, 07:15 AM   #5
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Spray the entire undercarriage and inside doors/tailgate with Fluid Film...there won't be any rust forming after that....I touch it up every year. Costs around $35 a gallon for Fluid Film now, you can spray it on with an undercoating gun....most John Deere dealers carry Fluid Film....if you don't have an undercoating gun or air compressor you can get aerosol cans of FF also but it isn't quite as heavy as the gallon form.
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Old 06-21-2013, 07:24 AM   #6
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Pull the carpet and scrape out the toothpaste looking crap. Bedline it. And hell you can put the carpet back in after that. Carpet getting wet is manageable but water gets under the toothpaste crap and starts rusting. I had several rust spots starting under my carpet on an 08.
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Old 06-21-2013, 07:25 AM   #7
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Originally Posted by DIXIEDOG View Post
Spray the entire undercarriage and inside doors/tailgate with Fluid Film...there won't be any rust forming after that....I touch it up every year. Costs around $35 a gallon for Fluid Film now, you can spray it on with an undercoating gun....most John Deere dealers carry Fluid Film....if you don't have an undercoating gun or air compressor you can get aerosol cans of FF also but it isn't quite as heavy as the gallon form.
I've heard the same thing. Also heard it was a good idea to take tail lights off and spray in behind there as well
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Old 06-21-2013, 09:20 AM   #8
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x2 for fluid film. I used the spray can and it worked really well. Just watch out, stuff smells horrible. I recently used wd40 rust inhibitor and it seemed to work well on my frame.
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Old 06-21-2013, 09:53 AM   #9
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Quote:
Originally Posted by DIXIEDOG View Post
Spray the entire undercarriage and inside doors/tailgate with Fluid Film...there won't be any rust forming after that....I touch it up every year. Costs around $35 a gallon for Fluid Film now, you can spray it on with an undercoating gun....most John Deere dealers carry Fluid Film....if you don't have an undercoating gun or air compressor you can get aerosol cans of FF also but it isn't quite as heavy as the gallon form.
Fluid Film sounds like good stuff. Where do you find it for $35 a gallon though?
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Old 06-21-2013, 11:14 AM   #10
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This was a 1 month old 2013 wrangler ... You want it done right you gotta do it yourself now days..
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Old 06-21-2013, 11:28 AM   #11
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Fluid Film sounds like good stuff. Where do you find it for $35 a gallon though?
The local farm equipment store has it for $35 a gallon...looks like most online places charge a bit more, I'm assuming it's a shipping thing. Ebay has 2 gallon cans for $79 shipped or $43 shipped for one....


Zoro Tools has it just under $38 but shipping is the killer...free shipping over $50 but you'd need to be ordering a couple or something else with it for that deal
Lubricant/Corrosion Inhibitor by FLUID FILM - Automotive Fluids by Zoro Tools Industrial Supplies
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Old 06-21-2013, 01:21 PM   #12
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I recently discovered Amsoil's metal protector. http://www.syntheticwarehouse.com/un..._lubricant.htm

I've never tried Fluid Film, and while I know they're not the same thing, they are somewhat similar. I found a cool thread awhile ago that compared the two on depth. I'll see if I can dig it up later.

I had some poorly coated D rings that were starting to rust pretty badly, as was my hitch pin and winch hook. So I scrubbed and repainted them and coated them with this stuff and I can say it is very quality. It creates a waxy protective layer over whatever you spray but doesn't stay wet like Fluid Film apparently does, so it doesn't attract dust. And it "lubricates" between the D rings and where they are mounted so the paint doesn't keep scraping off when it moves. But it is petroleum based, unlike fluid film, so I don't know if it would harm rubber or not. When I get more time though I definitely plan on going to town on the underside of my Jeep.
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Old 06-21-2013, 04:11 PM   #13
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Quote:
Originally Posted by DIXIEDOG View Post
Spray the entire undercarriage and inside doors/tailgate with Fluid Film...there won't be any rust forming after that....I touch it up every year. Costs around $35 a gallon for Fluid Film now, you can spray it on with an undercoating gun....most John Deere dealers carry Fluid Film....if you don't have an undercoating gun or air compressor you can get aerosol cans of FF also but it isn't quite as heavy as the gallon form.
I'm planning on using Fluid Film too, John Deere dealers good tip!
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Old 06-21-2013, 04:30 PM   #14
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Looked at this stuff.. Does not appear that it does anything for rust that is already on Jeep, but might be good for preventing more rust. I have just been spraying everything down with PB Blaster maybe once a month. It helps but 6 months in the North East I have a good bit of rust.
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Old 06-21-2013, 05:01 PM   #15
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You are correct, it won't eliminate your rust it will just turn it to a darker blackish color and prevent it from continuing to rust.
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Old 06-21-2013, 08:37 PM   #16
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Prior to coating the underside with fluid film, what's the best way to prep the underside? Good scrubbing with a wire brush, rustoleum and then the fluid film?
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Old 06-21-2013, 08:44 PM   #17
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Prior to coating the underside with fluid film, what's the best way to prep the underside? Good scrubbing with a wire brush, rustoleum and then the fluid film?
Just knock off the big flaky rust with a brush and spray it all down is how I do it.....the last several vehicles I've bought were new so I was lucky enough to not have to contend with any rust on them...a vehicle that doesn't have rust doesn't need any prep you just spray it with the Fluid Film...1/2 hour and you're done.
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Old 06-21-2013, 08:45 PM   #18
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Has anyone tried por 15? I know a lot of the resto car guys love it. Been thinking about trying it out. I have a 2013 and its already showing a bit of rust :/ northeast for ya lol
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Old 06-21-2013, 09:26 PM   #19
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How about beginning of rusty bolts on your winch? Wd40?
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Old 06-22-2013, 05:33 AM   #20
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Excuse me but I'm a complete noob. In terms of the application between the fluid film and the rustoleam spray is there a specific place I should spray it or just go crazy everywhere under the jeep ?
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Old 06-22-2013, 07:55 AM   #21
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I was thinking POR15 before I bought my Jeep. There is a fair amount of prep to do with it. It's also fairly expensive. It just seemed too hard and time consuming with just jacking the jeep up.

Quote:
Originally Posted by en1ma View Post
Excuse me but I'm a complete noob. In terms of the application between the fluid film and the rustoleam spray is there a specific place I should spray it or just go crazy everywhere under the jeep ?
BE CAREFUL WITH THE HOT STUFF
With standard spray paint you don't want to paint the exhaust or muffler. It will burn off and likely smell bad in the process. I sprayed those items with Rustoleum high heat ultra. It required about 10% touch up after a year. I'm not sure about fluid film. The break calipers also will get hot and should only be painted with paint made for them or engine high heat paint.

DRIVELINES
I have heard not to paint your drivelines. That it will rust, but it would take 500 years for it to be an issue. The theory is that it will mess with your drivelines balance and possibly create vibrations. I personally feel this is a bogus claim for spray paint. I have heard of a couple painted with no issues. I decided to keep mine bare just so there could be no claim I altered it in any way if I had a warranty issue. Maybe I'm being a bit of a puss.

RUST
There is a spray paint by Rustoleum called Rust Reformer. It comes in black. That's what I'm now using for small rust spots. The can states that its good to paint over. The cans wording makes me wonder if you need to paint over it, for it to last. For now I'm going to try it solo. Rust Reformer I feel is better than just black paint. It's sort of like mold, you cannot just put a rug over it. With just painting likely it will just bubble the paint later.

PREVENTATIVE SPRAY PAINTING
If you want to do preventative maintenance I would spray around the edges and seams of the gas tank skid for sure. Mine started rusting there. Lots of the bolts washers have started to rust so I would hit those up too. You will also find small bare parts on the axle.

FLUID FILM
After watching this video it sounds like it is magic. I might just have to try it this winter. http://youtu.be/ICPiDOyA4T4
I'll need to think about it because it looks like if you did need to do a touch up with paint, it would prevent that from sticking. Like if you scratched a skid and made a rust spot.
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Old 06-22-2013, 08:10 AM   #22
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Quote:
Originally Posted by Rooster76 View Post
I was thinking POR15 before I bought my Jeep. There is a fair amount of prep to do with it. It's also fairly expensive. It just seemed too hard and time consuming with just jacking the jeep up.



BE CAREFUL WITH THE HOT STUFF
With standard spray paint you don't want to paint the exhaust or muffler. It will burn off and likely smell bad in the process. I sprayed those items with Rustoleum high heat ultra. It required about 10% touch up after a year. I'm not sure about fluid film. The break calipers also will get hot and should only be painted with paint made for them or engine high heat paint.

DRIVELINES
I have heard not to paint your drivelines. That it will rust, but it would take 500 years for it to be an issue. The theory is that it will mess with your drivelines balance and possibly create vibrations. I personally feel this is a bogus claim for spray paint. I have heard of a couple painted with no issues. I decided to keep mine bare just so there could be no claim I altered it in any way if I had a warranty issue. Maybe I'm being a bit of a puss.

RUST
There is a spray paint by Rustoleum called Rust Reformer. It comes in black. That's what I'm now using for small rust spots. The can states that its good to paint over. The cans wording makes me wonder if you need to paint over it, for it to last. For now I'm going to try it solo. Rust Reformer I feel is better than just black paint. It's sort of like mold, you cannot just put a rug over it. With just painting likely it will just bubble the paint later.

PREVENTATIVE SPRAY PAINTING
If you want to do preventative maintenance I would spray around the edges and seams of the gas tank skid for sure. Mine started rusting there. Lots of the bolts washers have started to rust so I would hit those up too. You will also find small bare parts on the axle.

FLUID FILM
After watching this video it sounds like it is magic. I might just have to try it this winter. Fluid Film Car Applications - YouTube
I'll need to think about it because it looks like if you did need to do a touch up with paint, it would prevent that from sticking. Like if you scratched a skid and made a rust spot.
You did not just say that. Scratch a skid? really? If there's no scratches on your skids you are doing something wrong. Rust spot? Wouldnt the fluid film itself help with that?

Seriously though. I bet MEK or acetone would would remove the fluid film. Then you could do your neccessary touch up work.

Bottom of my jeep is all scratched to hell though.
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Old 06-22-2013, 09:14 AM   #23
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You did not just say that. Scratch a skid? really? If there's no scratches on your skids you are doing something wrong. Rust spot? Wouldnt the fluid film itself help with that?
I guess I should have said "when" instead of "if". My point being was that would be one example of a time that you'd need a spray paint touch up. If a rock will scratch off the paint, I'm sure it would take off the fluid film coating with it. Those scratches become orange streaks pretty quick, and I think rustoleum rust reformer would be better than just throwing another layer of fluid film on there.
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Old 06-22-2013, 04:59 PM   #24
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Quote:
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I guess I should have said "when" instead of "if". My point being was that would be one example of a time that you'd need a spray paint touch up. If a rock will scratch off the paint, I'm sure it would take off the fluid film coating with it. Those scratches become orange streaks pretty quick, and I think rustoleum rust reformer would be better than just throwing another layer of fluid film on there.
Yes, i was being a smartass up until the point where i wrote "Seriously though". Touching up the scratches/gouges under the jeep would be just as intelligent as touching up scratches/gouges on the body. Most likely wiping an area down with MEK or acetone would remove the fluid film. Hell, MEK will remove the paint if you start scraping. I said that in my previous post too though.

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